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Mid Level Frontend Web Developer Jobs in Denver, CO

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C# Developer, Mid-level

Englewood, CO · On-site

Job Title: C# Developer, Mid-level Location: Englewood, CO Type: Direct hire Company located in ... Net/C#/SQL web application development. Position will be working on a large custom developed ...

Lynker Corporation

UI/UX Front End Engineer

Boulder, CO · On-site

$78K - $117K/yr

The Ideal Web Developer selected will be located in the Boulder, CO, however the role could operate remotely for the right candidate. Duties of the UI/UX Front End Engineer selected will include the ...

Lynker Corporation

UI/UX Front End Engineer

Boulder, CO · On-site +1

$78K - $117K/yr

The Ideal Web Developer selected will be located in the Boulder, CO, however the role could operate remotely for the right candidate. Responsibilities Duties of the UI/UX Front End Engineer selected ...

Lynker Corporation

UI/UX Front End Engineer

Boulder, CO · On-site +1

The Ideal Web Developer selected will be located in the Boulder, CO, however the role could operate remotely for the right candidate. Responsibilities Duties of the UI/UX Front End Engineer selected ...

Arrow Technologies

Web Developer

Denver, CO · Remote

This is a full time position working from home. Position Responsibilities: Front-End Development Back-End Development MS SQL Server Development Skills: C# ASP.Net jQuery T-Sql Javascript

Applied Research Solutions

Software Engineer

Littleton, CO · On-site

$160K - $180K/yr

ARS s is seeking Mid - Senior Front-End developers to support a cutting-edge program supporting the ... The Senior Front-End Web Developer is responsible for designing, building, and maintaining modern ...

Applied Research Solutions

Software Engineer

Littleton, CO · On-site

$160K - $180K/yr

ARS s is seeking Mid - Senior Front-End developers to support a cutting-edge program supporting the ... The Senior Front-End Web Developer is responsible for designing, building, and maintaining modern ...

SofTec Solutions

.NET Developer

Denver, CO · On-site

$49.75 - $65.50/hr

Net Web Developer is a mid-level software developer responsible for implementing, developing, maintaining, and troubleshooting enhancements for internal and external web products. What your day looks ...

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All JobsMid Level Frontend Web Developer JobsMid Level Frontend Web Developer Jobs in Denver, CO

Mid Level Frontend Web Developer information

See Denver, CO salary details

$49.4K

$104.5K

$165.2K

How much do mid level frontend web developer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for mid level frontend web developer in Denver, CO is $104,521.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,300.00 and $120,900.00 per year, depending on experience, location, and employer.

What is the difference between Mid Level Frontend Web Developer vs Junior Frontend Web Developer?

AspectMid Level Frontend Web DeveloperJunior Frontend Web Developer
Experience2-4 years of experience0-1 year of experience
SkillsProficient in HTML, CSS, JavaScript, frameworks like React or Angular, and basic debuggingBasic understanding of HTML, CSS, JavaScript, and learning frameworks
ResponsibilitiesDeveloping features, collaborating with designers, troubleshooting issuesAssisting in coding, learning project workflows, fixing minor bugs
Work EnvironmentIndependent task handling, team collaborationSupervised tasks, mentorship, learning-focused

The Mid Level Frontend Web Developer typically has more experience and handles complex tasks independently, while the Junior Frontend Web Developer is still developing skills and works under supervision. Both roles are essential in web development teams, with the mid-level role requiring a deeper understanding of frameworks and project workflows.

What are the most commonly searched types of Frontend Web Developer jobs in Denver, CO?

The most popular types of Frontend Web Developer jobs in Denver, CO are:

What cities near Denver, CO are hiring for Mid Level Frontend Web Developer jobs?

Cities near Denver, CO with the most Mid Level Frontend Web Developer job openings:

Mid Level Frontend Web Developer jobs near you

Full Stack Web Developer

CACI International Inc

Denver, CO • On-site

Full-time

Re-posted 17 days ago

Job description

Job Summary:
CACI International Inc is seeking a Full Stack Web Developer to join their dynamic technology team. The role involves building responsive, scalable applications and software to address complex national security challenges, collaborating with cross-functional teams, and managing the full development lifecycle from conceptualization to deployment.
Responsibilities:
• Design and develop modern web applications using React.js for frontend and Flask/Express.js for backend services
• Build and maintain RESTful APIs that power our applications and integrate with various data sources
• Implement responsive user interfaces using HTML5, CSS3, and modern JavaScript frameworks
• Work with PostgreSQL databases to design schemas, optimize queries, and ensure data integrity
• Collaborate with UX/UI designers to translate wireframes and mockups into functional code
• Participate in code reviews and implement best practices for version control using Git
• Debug issues across the entire stack and propose solutions to improve application performance
• Contribute to technical documentation to support knowledge sharing and maintenance
Qualifications:
Required:
• B.S. in Computer Science, Software Engineering, Computer Engineering or related field
• 5+ years of professional experience in web development
• Strong proficiency with React.js and modern JavaScript/TypeScript development
• Experience building backend APIs with Flask (Python) and Express.js (Node.js)
• Proficient in Python, HTML5, CSS3, TypeScript, and JavaScript
• Experience with PostgreSQL and writing efficient SQL queries
• Strong understanding of RESTful API design principles
• Experience with version control systems (Git) and collaborative development workflows
• Problem-solving mindset with attention to detail and code quality
• Strong communication skills and ability to work effectively in a team environment
• Must have an active TS/SCI Clearance
Preferred:
• Experience with GitLab CI/CD pipelines and DevOps workflows
• Knowledge of Docker containerization and deployment strategies
• Familiarity with WebSockets for real-time communication
• Knowledge of the Tailwind CSS framework for building responsive interfaces
• Experience with ORM libraries (SQLAlchemy, Prisma, Drizzle, etc.)
• Experience with Tanstack Tools (Router, Query, Forms)
• Experience with Redis for caching and session management
• Understanding of web security best practices
• Experience with automated testing frameworks for both frontend and backend
• Knowledge of cloud platforms (AWS, Azure, GCP)
Company:
At CACI International Inc (NYSE: CACI), our 27,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security. Founded in 1962, the company is headquartered in Arlington, USA, with a team of 10001+ employees. The company is currently Late Stage.

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